Home / 108,621.55-149,906.62-60,238.63

Finding the Fourth Proportional to 108,621.55, 149,906.62 and 60,238.63

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Solution

The fourth proportional to 108,621.55, 149,906.62 and 60,238.63 is: 83,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621.55 : 149,906.62 = 60,238.63 : x
  2. Step 2: Convert to fraction form
    108,621.55/149,906.62 = 60,238.63/x
  3. Step 3: Cross multiply
    108,621.55x = 149,906.62 × 60,238.63
  4. Step 4: Simplify right side
    108,621.55x = 9,030,169,565.60
  5. Step 5: Solve for x
    x = 9,030,169,565.60/108,621.55
  6. Step 6: Final answer
    x = 83,134.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.